//
// DelegatingHandlerTest.cs
//
// Authors:
//	Marek Safar  <marek.safar@gmail.com>
//
// Copyright (C) 2014 Xamarin Inc (http://www.xamarin.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;
using NUnit.Framework;
using System.Net.Http;
using System.IO;
using System.Threading;
using System.Threading.Tasks;

namespace MonoTests.System.Net.Http
{
	[TestFixture]
	public class DelegatingHandlerTest
	{
		class DefaultHandler : DelegatingHandler
		{
		}

		class CustomHandler : DelegatingHandler
		{
			protected override async Task<HttpResponseMessage> SendAsync (HttpRequestMessage request, CancellationToken cancellationToken)
			{
				return await base.SendAsync (request, cancellationToken);
			}
		}

		[Test]
		public void DisposeTest ()
		{
			var handler = new DefaultHandler ();
			handler.Dispose ();
		}

		[Test]
		public void InnerHandler_Invalid ()
		{
			var handler = new DefaultHandler ();
			try {
				handler.InnerHandler = null;
				Assert.Fail ("#1");
			} catch (ArgumentNullException) {
			}
		}

		[Test]
		public async void InnerHandler_NotAssigned ()
		{
			var httpRequestMessage = new HttpRequestMessage (HttpMethod.Get, "http://contoso.com");
			var handler = new CustomHandler ();

			var invoker = new HttpMessageInvoker (handler);
			try {
				await invoker.SendAsync (httpRequestMessage, new CancellationToken ());
				Assert.Fail ();
			} catch (InvalidOperationException) {
			}
		}
	}
}
